#include<stdio.h>
int main()
{
   int day,month,year,sum,leap;
   printf("\nplease input year,month,day\n");
   scanf("%d,%d,%d",&year,&month,&day);
   switch(month){
   case 1:sum=0;break;
   case 2:sum=31;break;
   case 3:sum=59;break;
   case 4:sum=90;break;
   case 5:sum=120;break;
   case 6:sum=151;break;
   case 7:sum=181;break;
   case 8:sum=212;break;
   case 9:sum=243;break;
   case 10:sum=273;break;
   case 11:sum=304;break;
   case 12:sum=334;break;
   default:printf("data error");break;
}
sum=sum+day;
if(year%400==0||(year%4==0&&year%100!=0))
leap=1;
else 
leap=0;
if(leap==1&&month>2)sum++;
printf("It is the %dth day.",sum);
}